Ответ:
1 — 2/3 = 1/3
7 — 3 целых 2/7 = 3 целых 5/7 или 26/7
2 целых 2/5 — 1 целая 7/9 = 28/45
(3 целых 2/4 + 1 целая 2/4) — (3 целых 2/7 — 1 целая 5/7) = 5 — 5 = 0
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Ответ:
1 — 2/3 = 1/3
7 — 3 целых 2/7 = 3 целых 5/7 или 26/7
2 целых 2/5 — 1 целая 7/9 = 28/45
(3 целых 2/4 + 1 целая 2/4) — (3 целых 2/7 — 1 целая 5/7) = 5 — 5 = 0